15575825955 has 16 divisors (see below), whose sum is σ = 24938094240. Its totient is φ = 8301516288.

The previous prime is 15575825927. The next prime is 15575825959. The reversal of 15575825955 is 55952857551.

It is not a de Polignac number, because 15575825955 - 2¹⁰ = 15575824931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15575825895 and 15575825904.

It is not an unprimeable number, because it can be changed into a prime (15575825959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 326352 + ... + 371021.

It is an arithmetic number, because the mean of its divisors is an integer number (1558630890).

Almost surely, 2^15575825955 is an apocalyptic number.

15575825955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15575825955 is a deficient number, since it is larger than the sum of its proper divisors (9362268285).

15575825955 is a wasteful number, since it uses less digits than its factorization.

15575825955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698870.

The product of its digits is 15750000, while the sum is 57.

The spelling of 15575825955 in words is "fifteen billion, five hundred seventy-five million, eight hundred twenty-five thousand, nine hundred fifty-five".